package com.daka.tools;

/**
 * Created by yangx
 * Date: 2016/8/5 0005
 * Time: 15:53
 */
public class StrUtils {

    public static boolean isEmpty(String str) {
        return (str == null) || str.trim().equals("") || str.trim().equalsIgnoreCase("null");
    }

    public static boolean isNotEmpty(String str) {
        return !isEmpty(str);
    }

}
